A groundbreaking offering to the MI industry, the GLX-D Wireless Systems from Shure combine the leading edge of LINKFREQ automatic frequency management technology with best-in-class Lithium ion battery rechargeability, world-renown microphones and unparalleled design and construction. Available in a wide offering of bodypack and handheld configurations - including vocal, headset and presenter systems as well as traditional and pedal-mounted guitar options. GLX-D Wireless Systems define the standard for seamless ease of operation and exceptional digital audio clarity.